The 3M VHB Tape 4991 is a gray, 0.090-inch (2.3 mm) thick, multi-purpose acrylic adhesive tape with a conformable foam core. It provides a permanent, high-strength bond that can replace rivets, welds, and screws, offering a quick and easy application with long-term durability. The tape's viscoelastic properties allow for flexible bonding to various surfaces, making it ideal for a range of assembly and repair applications. The tape roll measures 1 inch by 5 yards and has a polyester backing with a silicone/rubber blend adhesive. Custom widths and configurations are available upon request.